Bathyphylls: pinnae to c. 10 pairs, to 3 by 1.3 cm, acroscopic bases broadly, basiscopic narrowly, crenate, edges acutely toothed, apex acute; apical pinna largest and articulate, c. 6 by 1.4 cm. Sterile acrophylls: stipe to 15 cm, frond to 45 cm long; upper pinnae largest, c. 9 by 1.7 cm, falcate, base unequally cuneate, edges finely and irregularly toothed towards apex, subcoriaceous, veins not conspicuous. Fertile pinnae (seen only in immature condition) to 9 cm long, 3 mm wide, apex acute (?), stalks to 5 mm long.
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